暴力的减少可能是我们物种历史上最重要却最不被重视的发展。
When you are young, you think you will be happy when you are older. But then you get older and you realize you were happy when you were young.
变得更好的唯一方法就是与最强者对抗。
In mathematics, the art of proposing a question must be held of higher value than solving it.
Leadership is about making tough decisions today that will shape a better tomorrow.
A moral being is one who is capable of reflecting on his past actions and their motives.